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WO2003069489A1 - Procede d'authentification - Google Patents

Procede d'authentification Download PDF

Info

Publication number
WO2003069489A1
WO2003069489A1 PCT/JP2002/001256 JP0201256W WO03069489A1 WO 2003069489 A1 WO2003069489 A1 WO 2003069489A1 JP 0201256 W JP0201256 W JP 0201256W WO 03069489 A1 WO03069489 A1 WO 03069489A1
Authority
WO
WIPO (PCT)
Prior art keywords
authentication
user
recognition
information
password
Prior art date
Application number
PCT/JP2002/001256
Other languages
English (en)
Japanese (ja)
Inventor
Hironori Wakayama
Original Assignee
Tanaka, Yoshiki
Shimada, Kennichi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tanaka, Yoshiki, Shimada, Kennichi filed Critical Tanaka, Yoshiki
Priority to US10/504,516 priority Critical patent/US20050144484A1/en
Priority to PCT/JP2002/001256 priority patent/WO2003069489A1/fr
Priority to JP2003568545A priority patent/JPWO2003069489A1/ja
Priority to AU2002232187A priority patent/AU2002232187A1/en
Priority to EP02712356A priority patent/EP1484690A1/fr
Publication of WO2003069489A1 publication Critical patent/WO2003069489A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/36—User authentication by graphic or iconic representation

Definitions

  • the present invention uses a fixed or portable information communication terminal device over an open communication network to access another information terminal system or server system whose reliability is guaranteed by public key encryption or the like.
  • the present invention relates to a method of authenticating a user, a format of authentication information used for authentication, and a processing method.
  • BACKGROUND ART Since ancient times, in particular in the field of military 'commerce', mutual recognition by secret word and the identification of permission and permission by means of a pass such as 'open sesame' have been carried out.
  • encryption of the plain text can be performed in a closed system of related parties.
  • quantum cryptography based on “quantum mechanical entanglement (quantum entandalized state)”
  • authentication is also valid for cryptography and mutual authentication in the case where communication methods are developed. Both are performed depending on the terminal equipment or the system on the terminal. Therefore, when using a terminal device in a public place where a large number of unspecified people can use it or using it in a portable terminal that is easily exposed to the risk of losing the theft, anyone operates the terminal device.
  • biometrics information is considered to be the most suitable for personal authentication because it is information unique to the user, and many techniques for quantifying biometrics information have already been developed.
  • the uniqueness of the pieometrics information conversely limits the adoption of the physical feature that can be used alternatively, and the authentication data is stolen.
  • the user may cause social problems such as social cancellation, that is, a problem of uniqueness and alternatives.
  • a crime is violently adopted, it may be more devastating than conventional crimes such as excision of body parts used for certification.
  • the use of the pyometritus information which should originally be the only one is also the same technology as the information processing technology such as CG and speech synthesis.
  • fingerprints can be easily copied by silicone rubber if they are fingerprinted, that is, they are not managed by the user, There is a problem of authentication information leakage outside the system.
  • completion can be easily achieved even if the fingerprint data is released publicly or the national power itself can be used, that is, the system is not managed by the user and the system There is a problem of leaked authentication information outside.
  • a finger used for verification is lost in an accident or the like, or even if only the finger belly is injured, authentication can not be performed, that is, a problem of uniqueness and alternatives.
  • the problem of voiceprints being easily copied by a recorder that is, the problem of authentication information leakage outside the management of the user and outside the system, or the problem that authentication information itself can be generated by information processing technology. That is, there is a problem that it can be electronically forged.
  • the handwriting itself is difficult to be stable because the handwriting itself is largely different depending on the physical condition and mental condition, and it is stable if robot technology such as measurement technology and numerical control technology is applied.
  • robot technology such as measurement technology and numerical control technology
  • authentication is performed by collating this with key information on the authentication device, and in this case, as in the case of key methods such as the public key method, a completed problem using a secret key or There is a problem that it is not safe in situations where there is a terminal authentication problem, an interception problem, and there is a motivation for the authentication party. '
  • the conventional authentication methods are roughly classified into the ten problems as described above, among which the fifth, sixth, seventh and eighth are problems specific to the method of authentication based on pyometrics information .
  • the sixth problem may only be mitigated by the combination with other authentication methods. Therefore, in the present invention, firstly, in order to provide indecipherability to a key, it is an object of the present invention to provide a method having a combination number that can not be deciphered sufficiently against brute force attack in a password authentication method.
  • the user-specific authentication information issued by the user or authentication information that only the user can know, and the authentication information of the user registered on the authentication device a collatable and irreversible relationship or authentication
  • the authentication party completes the transaction and the authentication information is stolen due to authentication information theft on the authentication device.
  • the authentication information of the user irreversibly converted by a unique random number or function is used for each user.
  • the authentication device registered with the unique random number or function on the authentication device, authentication information from the user based on the authentication request, converted by the random number or function, and collated with the information registered on the authentication device. From the top to the side that leaks authentication information and authentication Completed, and responded to interception leaks.
  • a long password such as a path sentence
  • the path sentence force applied by the user A character string (hereinafter referred to as a pass code p1) is extracted using a unique random number for each user.
  • the extracted character string is stored together with the user ID in the authentication device, the authentication of the user is also issued an authentication request, and when the pass sentence is sent together with the user ID, the authentication device calls the passcode p1 in which the user ID is also registered. At the same time, the corresponding unique random number is called, the user converts the transmitted path sentence into passcode p1 using the unique random number registered in the authentication device, and the converted passcode and the authentication device Authentication of the user is performed by comparing the passcode p1 corresponding to the user ID registered in.
  • the authentication information may use or be combined with information carried on a portable object or other personal information such as biometrics information.
  • the password structure is increased by increasing the base value in the number system. Even with a small number of digits, a large number of combinations could be secured, which made it a difficult way for a brute force attack to break a password.
  • a method of representing characters used in the pass code it is possible to use a password that can not be deciphered by eavesdropping by using characters such as figures that are similar or identical to each other (hereinafter referred to as F character). It was a method.
  • the authentication device changes the arrangement of passwords using random numbers and presents it to the user, and the user inputs the order (hereinafter referred to as pass code P2 ) for forming a regular arrangement.
  • authentication is performed by comparing the pass code p2 input by the user with the pass code p2 generated by the authentication device, so that it is not broken by interception or communication interception.
  • the solutions described in the first use a method that uses biometrics information as authentication information without displaying it on the monitor, or a path sentence among the first solutions. May be monitored by using authentication information stored on the terminal as it is for authentication without displaying it on the monitor according to the method used by registering on the terminal or using other public key or other terminal authentication method.
  • the authentication information based on the user's memory is input by the user every time the authentication request is made by the second solution, or the first described solution is used for the password.
  • the one-time password method it is possible to authenticate that the authentication information input person is the registered user himself, and to use the data stored on the terminal.
  • Both simultaneous authentication method for inputting authentication information based on the user's memory each time the authentication request And a person authentication method for solving the problems described in the first, second, third, fourth, fifth, sixth and seventh did.
  • the large base value in the numeration system is represented by F characters, and from a limited number of F characters previously registered by the user.
  • the solution described in the second method is to increase the number of F characters provided by the authenticating side at the time of password registration by the user to increase the number system.
  • the analysis performance is improved by improving the function of the information processing apparatus, and the complexity is easily obtained by making the length of the sentence longer. It is possible to take measures to increase the
  • the method of using a sentence can also be used as a secret key for terminal authentication or a secret key mounted on a portable object such as a card.
  • the path sentence when using a path sentence, since the path sentence can also be used by storing the path sentence, direct input is also possible, and a terminal connected to a network anywhere in the world can be used.
  • identity authentication is possible. This enables emergency response such as changing a password by inputting a terminal power path sentence connected to a network around the user in an emergency such as when the terminal is stolen.
  • a nose sentence can be created by extracting a force, for example, a diary, it is easy for the user to create, and it is difficult for a third party to estimate the sentence.
  • Figure 1 shows that the preferred system according to the present invention SE ⁇ 3 ⁇ 4 ⁇ 3 ⁇ 4 r 3 ⁇ 4 t; # ⁇ The composition of the system configuration is shown in order to make it visible.
  • Fig. 2 is an example of Fig. 1 according to the present invention.
  • ⁇ ⁇ Flow charter is one eyebrow.
  • FIG. 3 is a diagram of FIG. It is a chart of one point.
  • Fig. 4 shows an example of the invention «in Fig. 2 ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ EW EW EW EW it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it it
  • FIG. 5 is a whole diagram of the system of identity recognition shown in FIG. 2 as an example according to the present invention.
  • FIG. 5 is a system diagram of users and users in the system configuration of ⁇ identity SEW.
  • FIG. 7 is a system configuration diagram of a service among the system diagrams of the user laosi shown in FIG.
  • FIG. 8 is a system configuration diagram of recognition among the system configurations of 5 ⁇ authentication in FIG. 5 as an example of the system according to the present invention.
  • FIG. 9 is a sequence diagram showing the authentication ff 3 ⁇ 4 stored in the terminal 3 ⁇ 4 h for the pass code p 1 recognition 1 EMi in FIG. 3 as an example according to the present invention.
  • FIG. 10 shows an embodiment according to the present invention as shown in FIG. 2, FIG. 3, FIG. 4, FIG. 5, FIG. 6, FIG. 6, FIG. 7, FIG.
  • FIG. 11 is a sequence diagram of FIG. 4 as an example according to the present invention, in which an authentication code for a pass code p2 recognition fig is recognized as a recognition failure.
  • FIG. 12 shows an example of FIG. 2: ⁇ “f Identification within IE ⁇ 3 ⁇ 43 ⁇ 4, Nos code p 1 recognition
  • FIG. 13 shows the prohibited example of the present invention.
  • FIG. 14 is a flowchart of the process according to the present invention shown in FIGS. 1 (c) and 1 (d), which is preferred according to the present invention and has a pass code p2 recognition SEM.
  • FIG. 15 is a flow chart of the process of authentication processing of a preferred pass code p1 according to the present invention shown in FIG. Explanation of sign
  • the power of this invention is a flow chart conceptually showing the whole of a preferable personal authentication method.
  • the main parts of the system configuration are synthesized and shown in order to list the entire stem.
  • FIG. 1 is a flow chart conceptually showing the whole of a preferable processing method according to the present invention, for performing person authentication when using an electronic information device, or for performing person authentication on an information communication network. , In order to display the entire system in a list, the principle of the method based on the password used in the main parts of the system configuration and each processing stage is shown.
  • FIG. 1 (b) shows a password method used for terminal authentication, and the method using the password is executed in pass code p1 authentication process (10) of FIG. 1 (a).
  • the passcode p1 authentication process (10) shown in Fig. 1 (a) first, the user registered his own pass sentence (212) on the terminal, and the authentication device 5 issued the authentication device for each user.
  • the passcode p1 generated by the user is sent by the passcode p1 generation module (59) using the unique random number (6223), the passcode p1 extracted from the pass sentence (212) is used as the passcode pi (6222) in the authentication device database unit 62. sign up.
  • the authentication device transmits the pass sentence (212) sent from the user terminal by using the unique random number (6223) in the pass code p1 generation module (59). Then, the user terminal is authenticated by collating the passcode p1 with the passcode pi (6222) already registered on the authentication device in the verification module (52). Since the relationship between the patient's sentence and the passcode p1 is irreversibly determined, and only the passcode p1 is registered on the authentication unit, the stealing is performed even if the power passcode p1 on the authentication unit is stolen. However, the third party can not restore the pass sentence itself, so it is an authentication method that can not be fulfilled.
  • path sentences can not be stolen by monitoring activities.
  • pass sentences are not short phrases like passwords, or a combination of numbers and letters, so they can be narrative or rhyme-like, so users can remember them more than conventional passwords. If the terminal itself is stolen, it is possible to change the registration data by accessing the authentication device from another terminal and prevent damage in advance, so that the secret key in the public key and the terminal device code can be terminal-authenticated. More flexible than using for
  • FIG. 1 (d) shows a method using a password used in the personal authentication process, and the method using the password is executed in the pass code p2 authentication process (11) of FIG. 1 (a).
  • the user selects F characters as a password from among the F characters having a large basis in the number system provided by the authentication device (5) by the number set by the authentication device, and arranges them in the order of arrangement.
  • the authentication device (5) registers the F character and the arrangement order in the database unit (62) as a password F character (6224) and an F character arrangement (6225).
  • the authentication device (5) when the authentication request is received from the user, the authentication device (5) generates a random number for rearranging the sequence for the user, and uses the random number to rearrange the order of arrangement of the password-F character (6224) and sends it to the user terminal. Do. At this time, a random number (636) for array composition is simultaneously registered in the temporary storage unit. User's sequence order registered in advance The input module (23) is input as a pass code p2 and transmitted to the authentication device (5). The authentication device (5) calls the F character (6224) as the user ID (6221) power password and the F character arrangement (6225) as the arrangement order thereof, and passes the path according to the arrangement combination random number (636) in the temporary storage unit.
  • a code p2 is generated, and user authentication is performed by comparing and collating the pass code p2 sent by the user and the matching module (52).
  • the user himself can create a password arrangement out of a small number of options, which is easy for the user to handle. Furthermore, for each authentication request from the user, the authentication device transmits to the user the registered F character in which the arrangement order has been rearranged with a new random number to the user, and the user rearranges the arrangement order of F characters so that it becomes a pass order arrangement. By creating this reordering order as a passcode p2 for authentication, the password can not be reproduced even if the passcode p2 is intercepted.
  • the passcode p1 authentication process (10) performs an authentication process based on a path sentence having a large number of digits as a password registered on the terminal, and stores the user's own memory.
  • the passcode p2 authentication process (11). Is a line based on the password process based on the password, which can have a large number of combinations even with a small number of words by increasing the base value in the number system passcode p2 authentication process (11).
  • the authentication key is stolen from the authentication device, monitoring, stealing, communication interception, leakage outside the control of the user and outside the system, electronic forgery, It shows that it is a method / device for identity authentication that can cope with all the problems of conventional technology, such as brute force attacks.
  • the terminal device is stolen, the number of F characters presented to the user from the authentication device at the time of the authentication request is only the number registered by the user in advance, so a third party who obtained the terminal device will It is possible to decipher the password by brute force attack using the terminal equipment.
  • the terminal device is stolen or lost, the user directly inputs a path sentence from another terminal device and performs the passcode p1 processing process and the passcode P2 processing process. You can prevent damage by changing the registration data of
  • terminal authentication methods such as a device code uniquely assigned to each terminal device, or a secret key in a public key system, can specify a user terminal, Other Uni registered in It is possible to substitute with secure information or key information registered in a portable object.
  • (b) and (d) can also function as a single person authentication system.
  • (c) conceptually shows, using a table, a preferable method as to the configuration and the method of producing the F character which is advantageous to the present invention.
  • the F character is composed of a basic form and its color variation and form variation.
  • the creation method first creates some basic variations, and creates partial variations or total color variations on the basic variations to create color variations, and then the shape or arrangement of each variation. By making small changes it is possible to produce a large number of variations. Alternatively, new variations can be made simply by setting another new character code for the same figure.
  • the user displayed on the screen selects from among the F characters of the password registered in advance, so that the user's memory is recalled This is the same situation as when a hint is always displayed, so the possibility that the user forgets the password and can not be authenticated is lower than that of the conventional password authentication method.
  • the portions of the public key and the secret key for encryption shown in the sequence diagrams are passcode P1 or passcode p2 or passcode.
  • Password for generating p1 or password strength for generating passcode p2 A generated private key may be used.
  • identity authentication In electronic commerce, identity authentication to prove that it is a true holder of electronic money, an electronic wallet, or a credit card, identity authentication for issuing various certificates in an electronic government etc. or other handling of personal data Sufficient identity authentication performance can be provided for identity authentication at a time or time.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)

Abstract

Selon cette invention, l'interception de communication, la surveillance, le fait de regarder secrètement, les attaques totales, et la duperie par fuite, copie et contrefaçon d'informations d'authentification hors de la commande de l'utilisateur et à l'extérieur du système sont empêchés par la mise en oeuvre, dans un processus d'authentification en deux temps, d'un «procédé d'authentification pouvant faire face à n'importe quel problème d'authentification excepté le problème de surveillance» et d'un «procédé d'authentification qui permet de laisser la partie d'authentification duper mais pas surveiller et qui peut laisser une personne non adéquate duper par vol d'informations d'authentification d'un dispositif d'authentification, et qui implique des problèmes individuels dans les contenus d'authentification». En outre, dans ce dernier procédé d'authentification, tous les problèmes relatifs à l'authentification peuvent être affrontés du moins individuellement par «établissement d'une relation vérifiable, irréversible, entre des informations d'authentification données par un utilisateur et des informations d'authentification enregistrées dans le dispositif d'authentification pour empêcher la duperie par la partie d'authentification et la duperie par vol d'informations d'authentification du dispositif d'authentification».
PCT/JP2002/001256 2002-02-14 2002-02-14 Procede d'authentification WO2003069489A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US10/504,516 US20050144484A1 (en) 2002-02-14 2002-02-14 Authenticating method
PCT/JP2002/001256 WO2003069489A1 (fr) 2002-02-14 2002-02-14 Procede d'authentification
JP2003568545A JPWO2003069489A1 (ja) 2002-02-14 2002-02-14 本人認証の方法
AU2002232187A AU2002232187A1 (en) 2002-02-14 2002-02-14 Authenticating method
EP02712356A EP1484690A1 (fr) 2002-02-14 2002-02-14 Procede d'authentification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/001256 WO2003069489A1 (fr) 2002-02-14 2002-02-14 Procede d'authentification

Publications (1)

Publication Number Publication Date
WO2003069489A1 true WO2003069489A1 (fr) 2003-08-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/001256 WO2003069489A1 (fr) 2002-02-14 2002-02-14 Procede d'authentification

Country Status (5)

Country Link
US (1) US20050144484A1 (fr)
EP (1) EP1484690A1 (fr)
JP (1) JPWO2003069489A1 (fr)
AU (1) AU2002232187A1 (fr)
WO (1) WO2003069489A1 (fr)

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